Magnesiohögbomite-2N4S
A valid IMA mineral species
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About Magnesiohögbomite-2N4S
Formula:
(Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2
Colour:
Orange-red
Hardness:
6½ - 7
Specific Gravity:
3.702 (Calculated)
Crystal System:
Hexagonal
Member of:
Name:
For the base name - högbomite, the chemistry - Magnesio, and the polysome. The base name is for Arvid Gustaf Högbom (11 January 1857, Vännäs, Västerbotten, Sweden - 19 January 1940, Uppsala, Sweden), Professor of Mineralogy and Geology at Uppsala University.
This page provides mineralogical data about Magnesiohögbomite-2N4S.
Unique Identifiers
Mindat ID:
43330
Long-form identifier:
mindat:1:1:43330:1
GUID
(UUID V4):
(UUID V4):
d82587cb-3123-48f3-9858-9f22931fcc2f
IMA Classification of Magnesiohögbomite-2N4S
Approved
IMA Formula:
[(Mg8.43Fe2+1.57)Σ=10Al22Ti4+2O46(OH)2]
Approval year:
2010
First published:
2012
Classification of Magnesiohögbomite-2N4S
4.CB.20
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
C : Metal: Oxygen = 2: 3,3: 5, and similar
B : With medium-sized cations
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Mhög-2N4S | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Magnesiohögbomite-2N4S
Colour:
Orange-red
Streak:
Light orange
Hardness:
6½ - 7 on Mohs scale
Hardness:
VHN300=1020 - 1051 kg/mm2 - Vickers
Cleavage:
Distinct/Good
{001}
{001}
Density:
3.702(2) g/cm3 (Calculated)
Optical Data of Magnesiohögbomite-2N4S
Type:
Uniaxial (-)
Pleochroism:
Visible
Comments:
O = reddish brown and E = pale brown.
Comments:
Mean refractive index is 1.85. Birefringence is unknown.
Chemistry of Magnesiohögbomite-2N4S
Mindat Formula:
(Mg8.43Fe2+1.57)sum=10Al22Ti4+2O46(OH)2
Crystallography of Magnesiohögbomite-2N4S
Crystal System:
Hexagonal
Class (H-M):
6mm - Dihexagonal Pyramidal
Space Group:
P63mc
Cell Parameters:
a = 5.71050(10) Å, c = 27.6760(4) Å
Ratio:
a:c = 1 : 4.847
Unit Cell V:
781.6 ų
Z:
1
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
2.8561 Å | (37) |
2.6120 Å | (39) |
2.42818 Å | (100) |
2.4160 Å | (39) |
2.01181 Å | (50) |
1.54892 Å | (35) |
1.42785 Å | (57) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations |
Type Occurrence of Magnesiohögbomite-2N4S
General Appearance of Type Material:
Euhedral crystals are hexagonal plates or prisms with cleavage planes on {001}.
Place of Conservation of Type Material:
National Museum of Nature and Science, Tokyo, Japan, number NSM-MF15438.
Parts of the holotype are deposited at the following places:
Polar Science Museum, Tokyo, Japan, no. NIPR-0073.
Science Museum of Niigata University, Niigata, Japan, no. NUMIN-NM02.
Museum of Natural History Bern, Switzerland, no. NMBE 41105.
Parts of the holotype are deposited at the following places:
Polar Science Museum, Tokyo, Japan, no. NIPR-0073.
Science Museum of Niigata University, Niigata, Japan, no. NUMIN-NM02.
Museum of Natural History Bern, Switzerland, no. NMBE 41105.
Geological Setting of Type Material:
It occurs in Mg-Al-rich, Si-poor skarns, in retrograde assemblage.
Associated Minerals at Type Locality:
Synonyms of Magnesiohögbomite-2N4S
Relationship of Magnesiohögbomite-2N4S to other Species
Member of:
Other Members of this group:
Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 | Hex. 6mm : P63mc |
Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 | Trig. 3m (3 2/m) : P3 1m |
Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) | Trig. 3m (3 2/m) : R3m |
Related Minerals - Strunz-mindat Grouping
4.CB. | Ferrohögbomite-2N2S | [(Fe2+,Mg,Zn,Al)3(Al,Ti,Fe3+)8O15(OH)]2 |
4.CB. | Magnesiohögbomite-6N12S | Mg5Al11TiO23(OH) |
4.CB. | Zhenruite | (MoO3)2 · H2O |
4.CB. | Pengite | (Pb8Sb3+3)Σ11Sb5+9O35 |
4.CB. | Virgilluethite | MoO3 · H2O |
4.CB.05 | Brizziite | NaSb5+O3 |
4.CB.05 | Corundum | Al2O3 |
4.CB.05 | Ecandrewsite | (Zn,Fe2+,Mn2+)TiO3 |
4.CB.05 | Eskolaite | Cr2O3 |
4.CB.05 | Geikielite | MgTiO3 |
4.CB.05 | Hematite | Fe2O3 |
4.CB.05 | Ilmenite | Fe2+TiO3 |
4.CB.05 | Karelianite | V3+2O3 |
4.CB.05 | Melanostibite | Mn2+2Fe3+Sb5+O6 |
4.CB.05 | Pyrophanite | Mn2+TiO3 |
4.CB.05 | Akimotoite | (Mg,Fe2+)SiO3 |
4.CB.05 | Auroantimonate | AuSbO3 |
4.CB.05 | UM1998-11-O-AuHSb | Au+2Sb3+O2(OH) |
4.CB.05 | Tistarite | Ti3+2O3 |
4.CB.05 | Unnamed (Fe-Cr Oxide) | FeCrO3 |
4.CB.05 | Hemleyite | (Fe2+0.48Mg0.37Ca0.04Na0.04Mn2+0.03Al0.03Cr3+0.01)sum=1.00Si1.00O3 |
4.CB.10 | Avicennite | Tl2O3 |
4.CB.10 | Bixbyite-(Mn) | Mn3+2O3 |
4.CB.10 | Bixbyite-(Fe) | (Fe,Mn)2O3 |
4.CB.15 | Armalcolite | (Mg,Fe2+)Ti2O5 |
4.CB.15 | Sassite | Ti3+2Ti4+O5 |
4.CB.15 | Pseudobrookite | Fe2TiO5 |
4.CB.15 | Ferropseudobrookite | Fe2+Ti2O5 |
4.CB.15 | Griffinite | Al2TiO5 |
4.CB.15 | Pseudobrookite Group | |
4.CB.20 | Zincohögbomite-2N2S | [(Zn,Al,Fe2+)3(Al,Fe3+,Ti)8O15(OH)]2 |
4.CB.20 | Zincohögbomite-2N6S | [(Zn,Mg)7(Al,Fe3+,Ti)16O31(OH)]2 |
4.CB.20 | Magnesiohögbomite-6N6S | [(Mg,Fe2+)3(Al,Ti,Fe3+)8O15(OH)]6 |
4.CB.20 | Magnesiohögbomite-2N3S | [(Mg,Fe2+,Zn)4(Al,Ti,Fe3+)10O19(OH)]2 |
4.CB.20 | Magnesiohögbomite-2N2S | [(Mg,Fe2+)3[Al7(Ti,Fe3+)]O15(OH)]2 |
4.CB.20 | Ferrohögbomite-6N12S | [(Fe2+,Mg,Zn)5(Al,Ti,Fe3+)12O23(OH)]6 |
4.CB.20 | Magnesiobeltrandoite-2N3S | (Mg6Al2)(Al18Fe3+2)O38(OH)2 |
4.CB.20 | Zincovelesite-6N6S | Zn3(Fe3+,Mn3+,Al,Ti)8O15(OH) |
4.CB.25 | Pseudorutile | Fe2Ti3O9 |
4.CB.25 | Kleberite | FeTi6O11(OH)5 |
4.CB.30 | Berdesinskiite | V3+2TiO5 |
4.CB.30 | Oxyvanite | V3+2V4+O5 |
4.CB.30 | Kaitianite | Ti3+2Ti4+O5 |
4.CB.35 | Olkhonskite | (Cr,V)2Ti3O9 |
4.CB.35 | Schreyerite | V3+2Ti3O9 |
4.CB.35 | Machiite | Al2Ti3O9 |
4.CB.35 | Vestaite | (Ti4+Fe2+)Ti4+3O9 |
4.CB.40 | Kamiokite | Fe2Mo3O8 |
4.CB.40 | Nolanite | V3+8Fe3+2O14(OH)2 |
4.CB.40 | Rinmanite | Zn2Sb2Mg2Fe4O14(OH)2 |
4.CB.40 | Iseite | Mn2Mo3O8 |
4.CB.40 | Majindeite | Mg2Mo3O8 |
4.CB.45 | Claudetite | As2O3 |
4.CB.45 | Stibioclaudetite | AsSbO3 |
4.CB.50 | Arsenolite | As2O3 |
4.CB.50 | Senarmontite | Sb2O3 |
4.CB.55 | Valentinite | Sb2O3 |
4.CB.60 | Bismite | Bi2O3 |
4.CB.65 | Sphaerobismoite | Bi2O3 |
4.CB.70 | Sillénite | Bi12SiO20 |
4.CB.75 | Kyzylkumite | V3+Ti2O5(OH) |
4.CB.80 | Tietaiyangite | Fe3+4Fe2+TiO9 |
4.CB.85 | Liuite | FeTiO3 |
4.CB.90 | Luogufengite | Fe2O3 |
4.CB.95 | Wangdaodeite | FeTiO3 |
Fluorescence of Magnesiohögbomite-2N4S
Not fluorescent.
Other Information
Notes:
Does not dissolve in HCl, HNO3, and H2SO4.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Magnesiohögbomite-2N4S
mindat.org URL:
https://www.mindat.org/min-43330.html
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References for Magnesiohögbomite-2N4S
Reference List:
Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2011) New minerals and nomenclature modifications approved in 2011. CNMNC Newsletter No 9. Mineralogical Magazine, 75 (4) 2535-2540 doi:10.1180/minmag.2011.075.4.2535
Localities for Magnesiohögbomite-2N4S
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Antarctica (TL) | |
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Sør Rondane Mountains, Queen Maud Land, Eastern Antarctica, Antarctica